12212201010001 has 4 divisors (see below), whose sum is σ = 12854948431600. Its totient is φ = 11569453588404.

The previous prime is 12212201009999. The next prime is 12212201010011. The reversal of 12212201010001 is 10001010221221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12212201010001 - 2¹ = 12212201009999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212201010011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321373710771 + ... + 321373710808.

It is an arithmetic number, because the mean of its divisors is an integer number (3213737107900).

Almost surely, 2^{12212201010001} is an apocalyptic number.

It is an amenable number.

12212201010001 is a deficient number, since it is larger than the sum of its proper divisors (642747421599).

12212201010001 is an equidigital number, since it uses as much as digits as its factorization.

12212201010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642747421598.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12212201010001 its reverse (10001010221221), we get a palindrome (22213211231222).

The spelling of 12212201010001 in words is "twelve trillion, two hundred twelve billion, two hundred one million, ten thousand, one".